chromium/v8/src/heap/cppgc/object-allocator.h

// Copyright 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef V8_HEAP_CPPGC_OBJECT_ALLOCATOR_H_
#define V8_HEAP_CPPGC_OBJECT_ALLOCATOR_H_

#include <optional>

#include "include/cppgc/allocation.h"
#include "include/cppgc/internal/gc-info.h"
#include "include/cppgc/macros.h"
#include "src/base/logging.h"
#include "src/heap/cppgc/globals.h"
#include "src/heap/cppgc/heap-object-header.h"
#include "src/heap/cppgc/heap-page.h"
#include "src/heap/cppgc/heap-space.h"
#include "src/heap/cppgc/memory.h"
#include "src/heap/cppgc/object-start-bitmap.h"
#include "src/heap/cppgc/raw-heap.h"

namespace cppgc {

namespace internal {
class ObjectAllocator;
class PreFinalizerHandler;
}  // namespace internal

class V8_EXPORT AllocationHandle { … };

namespace internal {

class StatsCollector;
class PageBackend;
class GarbageCollector;

class V8_EXPORT_PRIVATE ObjectAllocator final : public cppgc::AllocationHandle { … };

void* ObjectAllocator::AllocateObject(size_t size, GCInfoIndex gcinfo) { … }

void* ObjectAllocator::AllocateObject(size_t size, AlignVal alignment,
                                      GCInfoIndex gcinfo) { … }

void* ObjectAllocator::AllocateObject(size_t size, GCInfoIndex gcinfo,
                                      CustomSpaceIndex space_index) { … }

void* ObjectAllocator::AllocateObject(size_t size, AlignVal alignment,
                                      GCInfoIndex gcinfo,
                                      CustomSpaceIndex space_index) { … }

// static
RawHeap::RegularSpaceType ObjectAllocator::GetInitialSpaceIndexForSize(
    size_t size) { … }

void* ObjectAllocator::OutOfLineAllocate(NormalPageSpace& space, size_t size,
                                         AlignVal alignment,
                                         GCInfoIndex gcinfo) { … }

void* ObjectAllocator::AllocateObjectOnSpace(NormalPageSpace& space,
                                             size_t size, AlignVal alignment,
                                             GCInfoIndex gcinfo) { … }

void* ObjectAllocator::AllocateObjectOnSpace(NormalPageSpace& space,
                                             size_t size, GCInfoIndex gcinfo) { … }

}  // namespace internal
}  // namespace cppgc

#endif  // V8_HEAP_CPPGC_OBJECT_ALLOCATOR_H_